diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-06-28 03:03:58 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-08 19:43:41 +0400 |
| commit | d49a340d6eb6de45c1a886b71469d110f2dbb57b (patch) | |
| tree | df0e1779f33d948d173566bc999450270c61adbd | |
| parent | 383c5a6a4682f6816fb5a07aebd89c5813c3d1c7 (diff) | |
| download | linux-d49a340d6eb6de45c1a886b71469d110f2dbb57b.tar.xz | |
drm/i915: Disable cdclk changes for chv until Punit is ready
Punit seems a bit WIP still. Disable cdclk changes until we have
hardware where it works.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fdf5ec88866a..a7d0c88a620d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4548,6 +4548,10 @@ static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, int vco = valleyview_get_vco(dev_priv); int freq_320 = (vco << 1) % 320000 != 0 ? 333333 : 320000; + /* FIXME: Punit isn't quite ready yet */ + if (IS_CHERRYVIEW(dev_priv->dev)) + return 400000; + /* * Really only a few cases to deal with, as only 4 CDclks are supported: * 200MHz @@ -5283,6 +5287,10 @@ static int valleyview_get_display_clock_speed(struct drm_device *dev) u32 val; int divider; + /* FIXME: Punit isn't quite ready yet */ + if (IS_CHERRYVIEW(dev)) + return 400000; + mutex_lock(&dev_priv->dpio_lock); val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); mutex_unlock(&dev_priv->dpio_lock); |